Question

What is the closed linear form for this sequence given a1 = 14 and an + 1 = an - 2?

A) an = 16 + 2n

B) an = 16 - 2n

C) an = 14 + 2n

D) an = 14 - 2n

E) an = 16 - n2

Answer 1

B

Answer 2

@Elsa213

Answer 3

@AngeI o:

Answer 4

What kind of math is this o.O

Answer 5

Functions

Answer 6

ew
Have fun Dude

Answer 7

Agh notation
I'm going to assume that it is
\(a_1 = 14\) and \(a_{n + 1} = a_n - 2\)

\(a_1 = 14\) would be point (1,14)

\(a_{n + 1} = a_n - 2\) indicates its rate "-2x"

y=-2x+b

Since we know a point (1,14), just substitute

14=-2(1)+b
b=16

Put it into the equation

y=-2x+16 or just \(a_n=-2n+16\) or \(a_n = 16 - 2n\)

Yes it's right